WindowListener

MyWin.java
MyWindowEventListener.java

package mymain;

import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

//Window Event를 처리하려면 WindowListener interface를 implements해놔야
// JVM이 이 interface를 이용해서 Callback(자동호출)해준다
public class MyWindowEventListener implements WindowListener {

	@Override
	public void windowOpened(WindowEvent e) {
		// TODO Auto-generated method stub
		System.out.println("--windowOpened--");
	}

	@Override
	public void windowClosing(WindowEvent e) {
		// TODO Auto-generated method stub
		System.out.println("--windowClosing--");
		
		//프로그램 종료
		System.exit(0);
				
	}

	@Override
	public void windowClosed(WindowEvent e) {
		// TODO Auto-generated method stub
		System.out.println("--windowClosed--");
	}

	@Override
	public void windowIconified(WindowEvent e) {
		// TODO Auto-generated method stub
		System.out.println("--windowIconified--");
	}

	@Override
	public void windowDeiconified(WindowEvent e) {
		// TODO Auto-generated method stub
		System.out.println("--windowDeiconified--");
	}

	@Override
	public void windowActivated(WindowEvent e) {
		// TODO Auto-generated method stub
		System.out.println("--windowActivated--");
	}

	@Override
	public void windowDeactivated(WindowEvent e) {
		// TODO Auto-generated method stub
		System.out.println("--windowDeactivated--");
	}

}

package mymain;

import java.awt.event.WindowListener;

import javax.swing.JFrame;

//  awt ->확장 -> swing
//  Frame         JFrame

public class MyWin extends JFrame {

	public MyWin() {
		// TODO Auto-generated constructor stub
		super("내가만든 윈도우");

		//위치
		//this.setLocation(200, 100);
		//크기지정
		//this.setSize(400, 300);

		// 위치 + 크기정보
		this.setBounds(200, 100, 400, 300);

		//보여줘라
		this.setVisible(true);

		//종료코드
		//this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		
		//윈도우 이벤트 처리 객체 생성
		//  interface                 class
		WindowListener listener = new MyWindowEventListener();
		
		//현재윈도우에서 발생되는 모든 이벤트 listener에게 위임함
		this.addWindowListener(listener);
		

	}

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		new MyWin();
	}

}